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@DarkMatterCore DarkMatterCore released this 02 Dec 20:47
v0.2.10
0d137a6

Huge refactor/code cleanup.

  • lib:
    • Add usbHsFsGetDeviceByPath(), which fills its output UsbHsFsDevice element with information about the mounted volume pointed to by the input path (e.g. ums0:/switch/).
    • Ditch FS_MAX_PATH macro in favor of LIBUSBHSFS_MAX_PATH (set to 4096 bytes), providing better support for longer filesystem paths.
    • Add support for retrieving and setting FAT/NTFS specific file attribute bitmasks via stat(), chmod(), readdir(), fstat() (NTFS only) and fchmod() (NTFS only). Please keep in mind that in order to preserve regular POSIX file attributes, the st_spare4[0] field from the stat struct is used to store this information.
    • Add UsbHsFsDosNtFileAttributes enum to easily handle FAT/NTFS attribute bitmasks.
    • Allow listing of dotfiles in directories whenever possible across all supported filesystems.
    • Reduce the size of the dedicated transfer buffer for each UMS device from 8 MiB to 1 MiB.
    • Add _GNU_SOURCE definition to CFLAGS in Makefile.
  • devoptab:
    • Add a new header file with generic versions of the macros previously used in all devoptab interfaces.
  • examples:
    • Use dynamically allocated buffers for the tested filesystem paths (using the LIBUSBHSFS_MAX_PATH macro).
    • Reduce file copy block size to 1 MiB to match the rest of the changes.
    • Print FAT/NTFS specific file attribute bitmasks during the file tests, depending on the mounted filesystem type.
    • Unconditionally print full POSIX attributes bitmask during the file tests.
    • Print last access and creation timestamps during the file tests.
  • fat:
    • Update FatFs to R0.16 p2 (September 13th, 2025).
    • Cherrypick specific FatFs improvements from the fork maintained by Extrems, while still retaining support for our runtime read-only flag. These include:
      • Remove internal volume management system in favor of explicitly passing FATFS objects.
      • Modify ff_stat() to allow its use on the origin directory.
      • Modify FILINFO struct to expose the cluster number and the last access timestamp.
      • Prevent automatic hiding of dotfiles in directory listings.
      • Integrate contiguous clusters patch from Wonderful Toolchain.
      • Fix file growth error on exFAT.
    • Add a small optimization to FAT_TIMESTAMP macro.
    • Update get_fattime() to use plain old time() instead.
    • Fix timestamp generation in get_fattime() by adding previously missing time offsets to timeinfo.tm_year (+1900) and timeinfo.tm_mon (+1). Thanks to ITotalJustice.
    • Refactor ffdev_fixpath() into ffdev_get_fixed_path().
    • Update ffdev_fill_stat() to store the last access and creation timestamps into the output stat struct, as well as the FAT-specific file attributes bitmask.
    • Delegate timestamp conversion to the new ffdev_time_posix2fat() and ffdev_time_fat2posix() helpers.
    • Implement ffdev_chmod().
  • ext:
    • Add mounted flag to ext_vd, in order to prevent unmounting an EXT volume that hasn't really been successfully mounted.
    • Remove extdev_fixpath() in favor of extdev_get_fixed_path().
    • Only use full second precision in extdev_utimes().
  • ntfs:
    • Add NTFS_MAX_NAME_LEN_BYTES macro.
    • Make ntfs_path struct public, remove its internal buffer and turn all strings into dynamically allocated pointers.
    • Update ntfs_inode_create(), ntfs_inode_link() and ntfs_inode_unlink() to take in ntfs_path objects instead of character strings.
    • Add ntfs_path_destroy().
    • Remove ntfs_split_path().
    • Refactor ntfsdev_fixpath() into ntfsdev_get_fixed_path().
    • Move path split logic from ntfs_split_path() into ntfsdev_get_fixed_path().
    • Update ntfsdev_dirnext() and ntfsdev_dirnext_filldir() to allow listing of dotfiles in directories.
    • Update ntfsdev_statvfs() to use NTFS_MAX_NAME_LEN_BYTES as the value for f_namemax.
    • Implement ntfsdev_chmod() and ntfsdev_fchmod().
    • Update ntfsdev_fill_stat() to store the NTFS-specific file attributes bitmask.
  • usbfs:
    • Add UsbFsMountStatus enum.
    • Update UsbFsServiceCmd enum to follow the same codestyle as the rest of the codebase.
  • Other internal changes:
    • Use C23 strongly typed enums.
    • Use forward declarations for structs whenever needed.
    • usbhsfs_drive:
      • Move struct definitions into their own header file.
      • Update UsbHsFsDriveLogicalUnitFileSystemContext to use a single void* pointer to represent the underlying filesystem object.
      • Update UsbHsFsDriveContext to use a recursive mutex instead of a regular one.
      • Update usbHsFsDriveInitializeContext() to return a pointer to a dynamically allocated UsbHsFsDriveContext object.
      • Update usbHsFsDriveDestroyContext() to lock the drive recursive mutex + let it take care of freeing usbHsFsDriveDestroyContext pointers as well.
      • Heavily simplify usbHsFsDriveIsValidLogicalUnitFileSystemContext().
      • Move LUN initialization logic into usbHsFsDriveInitializeLogicalUnitContext().
      • Update usbHsFsDriveClearStallStatus() to add small 10 ms delays after each call to usbHsFsRequestClearEndpointHaltFeature().
      • Fix required conditions for an interface change in usbHsFsDriveChangeInterfaceDescriptor().
      • Add usbHsFsDriveDestroyLogicalUnitContext().
    • usbhsfs_log:
      • Define stubbed macros for public usbHsFsLog*() calls when the library is not built in debug mode.
    • usbhsfs_manager:
      • Remove usbHsFsManagerGetLogicalUnitContextForFatFsDriveNumber().
      • Move Atmosphère-specific (de)initialization logic into usbHsFsManagerInitializeAtmosphereDriverResources() and usbHsFsManagerCloseAtmosphereDriverResources().
      • Move SX OS-specific (de)initialization logic into usbHsFsManagerInitializeSXOSDriverResources() and usbHsFsManagerCloseSXOSDriverResources().
      • Move NTFS/EXT debug logging configuration logic into usbHsFsManagerSetupFileSystemDriverLogging().
      • Rename usbHsFsCreateDriveManagerThread() to usbHsFsManagerCreateBackgroundThread().
      • Rename usbHsFsCloseDriveManagerThread() to usbHsFsManagerDestroyBackgroundThread().
      • Rename usbHsFsDriveManagerThreadFuncAtmosphere() to usbHsFsManagerAtmosphereThreadFunc().
      • Rename usbHsFsDriveManagerThreadFuncSXOS() to usbHsFsManagerSXOSThreadFunc().
      • Rename usbHsFsResetDrives() to usbHsFsManagerResetMassStorageDevices().
      • Refactor usbHsFsUpdateDriveContexts() into usbHsFsManagerAddConnectedDriveContexts().
      • Rename usbHsFsAddDriveContextToList() to usbHsFsManagerInitializeAndAddDriveContextToList().
      • Move drive initialization logic from usbHsFsUpdateDriveContexts() into usbHsFsManagerInitializeAndAddDriveContextToList().
      • Add usbHsFsManagerRemoveDisconnectedDriveContexts().
      • Rename usbHsFsRemoveDriveContextFromListByIndex() to usbHsFsManagerRemoveDriveContextFromListByIndex().
      • Rename usbHsFsPopulateDeviceList() to usbHsFsManagerPopulateDeviceList().
      • Rename usbHsFsExecutePopulateCallback() to usbHsFsManagerExecutePopulateCallback().
      • Rename usbHsFsFillDeviceElement() to usbHsFsManagerFillDeviceElement().
    • usbhsfs_mount:
      • Define new macros for all the constants used throughout the compilation unit.
      • Remove padding from the GuidPartitionTableHeader struct to bring the size down to 0x5C, which actually matches the contents of its header_size field.
      • Move MBR partition entry parsing logic into usbHsFsMountParseMasterBootRecordPartitionEntry().
      • Move GPT header parsing logic into usbHsFsMountGetGuidPartitionTableHeader().
      • Move GPT entry parsing logic into usbHsFsMountParseGuidPartitionTableEntry().
      • Refactor usbHsFsMountRegisterVolume() into usbHsFsMountInitializeLogicalUnitFileSystemContext().
      • Move LUN FS deinitialization logic into usbHsFsMountDestroyLogicalUnitFileSystemContext().
      • Update usbHsFsMountRegisterDevoptabDevice() to take in a pointer to a devoptab interface.
      • Move devoptab device unregistration logic into usbHsFsMountUnregisterDevoptabDevice().
    • usbhsfs_request:
      • Use usbHsFsUtilsAlignedAlloc() instead of memalign().
    • usbhsfs_scsi:
      • Update to reflect the changes in the rest of the codebase.
    • usbhsfs_utils:
      • Add ALIGN_UP, IS_ALIGNED, IS_POWER_OF_TWO, MAX_ELEMENTS, SCOPED_LOCK_BASE, SCOPED_RLOCK and UTF8_MAX_CODEPOINT_SIZE macros.
      • Update SCOPED_LOCK macro to rely on the new SCOPED_LOCK_BASE macro.
      • Add UsbHsFsUtilsScopedRecursiveLock struct.
      • Add usbHsFsUtilsAlignedAlloc().
      • Rename usbHsFsUtilsLockScope() to usbHsFsUtilsAcquireScopedLock().
      • Rename usbHsFsUtilsUnlockScope() to usbHsFsUtilsReleaseScopedLock().
      • Add usbHsFsUtilsAcquireScopedRecursiveLock().
      • Add usbHsFsUtilsReleaseScopedRecursiveLock().

Resources from this release:

  • libusbhsfs_0.2.10-main-3b897ed-src.tar.bz2: full libusbhsfs source code.
  • libusbhsfs_0.2.10-main-3b897ed_ISC.tar.bz2: ISC licensed build of libusbhsfs. Only offers support for FAT filesystems (FAT12, FAT16, FAT32, exFAT).
  • libusbhsfs_0.2.10-main-3b897ed_GPLv2+.tar.bz2: GPLv2+ licensed build of libusbhsfs. Offers support for FAT filesystems (FAT12, FAT16, FAT32, exFAT), NTFS and EXT filesystems (EXT2, EXT3, EXT4). Applications using this build must also be linked against NTFS-3G and lwext4 - please check the README for further information.

Both ISC and GPLv2+ archives also hold the example test application NRO linked against that version of the library with debugging enabled.

EDIT 2025-12-06 00:23 UTC+1: resources were updated to fix some minor issues in NTFS path normalization, please redownload.

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